Modified Nonlocal Means Filtering for Speech Enhancement and Its FPGA Prototype.
Sagar Reddy VumanthalaKalagadda BikshaluPublished in: Circuits Syst. Signal Process. (2021)
Keyphrases
- nonlocal means
- speech enhancement
- noise reduction
- denoising algorithm
- image denoising
- denoising
- parameter selection
- noisy environments
- denoising methods
- kalman filtering
- wiener filter
- signal to noise ratio
- noisy images
- speech signal
- natural images
- linear prediction
- edge detection
- single channel
- kalman filter
- noise level
- noise removal
- vocal tract
- image processing
- wavelet domain
- transform domain
- wavelet coefficients
- speech recognition
- model selection
- signal processing
- image data
- multiscale